EXPERIMENTS IN ORGANIC CHEMISTRY.Louis F. Fieser, Sheldon Ed., 8,363 (1936)l is ignored. The discussion of the Clemmensen Emery Professor of Organic Chemistry, Harvard University. reduction (pages 420-4) gives considerable attention t o the MarSecond Edition. D. C. Heath and Co., Boston, Mass., 1941. tin procedure but neglects ta mention the modification suggested by Mikeska, Smith, and Lieber [J.Org. Chem., 2, 501 (1938)l. x 488 pp. 80 figs. 14.5 X 22.2 cm. $2.80. Asin thelirst rdition[rwiewed in] C A F ME~~c..lZ,R9R(193.5)] The discussion of manometers (pages 319-20) does scant justice the manual is organirrd into two pan*, rhic.h in thc present edi- to the Zimmerle manometer. The comments made should not he misinterpreted: the retion can be purchased either in separate volumrs or hound as a single volume. Part I presents a list of student experiments, con- viewer considers this manual a very good one. I t contains exsiderably more than adequate for a year's course. "Part I1 perimental information for both elementary and advanced constitutes a miscellany of notes on procedure and technique students. and manv teachers can read it with nrafit. It is well designed for the general guidance of advanced students." I t written, well printed and hound, and the illustrations (now comprises five chapters dealing successively with (1) Suggestions eighty; the first edition contained forty-two) are excellent. for Advanced Work, (2) Apparatus and Methods, (3) Solvents, Reagents, and Gases, (4) Reactions (Acylation, the Grignard Reaction, the Friedel-Crafts Reaction, Reduction, Oxidation, Catalytic Hydrogenation, and Dehydrogenation), (5) Semimicro Determination of Carbon and Hydrogen. The index occupies a A PRACTICALSURVEY OR CHEMISTRY. W. S. Dyer, University of little more than thirteen pages and appears to be satisfactorilg Arkansas. Henry Holt and Co., New York City, 1941. vii complete. 480 pp. 107 figs. 14 X 21 cm. $2.80. The experiments which comprise Part I now number fifty-two, some of which afford a choice of alternative examples or praThis hook is intended for chemistry courses in general educacedures. The experiment on quinones has been modified so as tion and is based on such a course taught by the author since 1926. t o include the preparation of 2-metbyl-1.4-naphthoquinone. its It is not intended for students who take chemistry as part of their conversion to phthiocol, from which vitamin K, is prepared by professional training either as chemists or in related fields such as condensation with phytol (experiment 46), the preparation of snl- medicine or engineering. Yet this is not a hook "ahant chemisfanilamide (experiment 49). and the isolation of abietic anhydride try," for i t deals with the fundamentals of the science, treating from rosin (experiment 50). Except for these changes Part I most of the principles usually treated in an elementary text in appears t o have been reprinted with little or no revision, or a t chemistry. I t differs from the usual textbooks in that it reduces least none requiring repagination of the first 228 pages. The t o a minimum the emphasis upon the skills and information which new experiments are interesting and timely, and are not too diffi- would he useful only to one who is t o continue the study of chemcult or time-consuming for optional inclusion in an elementary istry, and correspondingly increases the emphasis upon the apf plication of chemical principles and theories to phenomena encourse. Attentionmay be called t o the unsuitability a aniline t o illustrate the behavior of tertiary amines in the Hins- countered in everyday l i e . This shift in emphasis may be exemberg test (page 110); under ordinary test conditions it often plified by the fact that all the chemical principles are organized yields a purple dye. around familiar materials. Thus out of twenty-seven chapters, Part I1 has been extensively revised, both as to material and one finds three on the atmosphere, seven on water, two on salt. organization. I t now requires 183 pages (78 in the first edition) and seven on organic chemistry. Conspicuous also is the scanty and is a concise and valuable source of information on certain ap- treatment of symbolism and balancing of equations, as well as paratus, reagents, and useful. procedures. Much new material the avoidance of nomenclature and technical terminaloev. is included; for example, sections an manipulation of small The hook is written in a readalk style and i i mature in its ap(semimicro) quantities of materials (pages 331-6), cbromato- proach. One regr
